The phrase "exchangeable for" refers to the ability of one object or item to be swapped or traded for another. There are many synonyms for this phrase, including "interchangeable with," "substitutable for," "convertible into," and "equivalent to." These words are often used in economics and finance to describe the exchange rate for different currencies or the price of different goods and services. In day-to-day life, we might use these synonyms when discussing the value of different items, such as how many dollars are equivalent to one euro, or how many cans of soda are interchangeable with one case.